Node Reference
Every node in ArcBrush, by category. Each page covers what the node is for, its parameters with defaults and ranges, and usage tips.
Inputs
Section titled “Inputs”
Image Folder - Load all images from a folder as a batch
Image In - Load PNG, JPEG, PSD, OpenEXR, SVG, and more from disk or clipboard
Model Textures - Read a model’s own textures as one texture set per material
SVG Import - Vector import with resolution-independent rasterization
Texture Folder - Load a folder of maps as a texture set, matched by file name
Generators
Section titled “Generators”
3D Render - Render a texture set on a 3D mesh with lights and an HDR environment
Canvas - Solid color starting point at any resolution
Gradient - Linear, radial, angular, and diamond gradients with multi-stop colors
Noise - Perlin, Simplex, Voronoi, Blue, and more, with fBm and domain warp
Pattern - Checkerboard, stripes, dots, hex grid, brick
Pixel Art - Pixel-precise sprite editor with layers, an indexed palette, and symmetry
Shape - Rectangles, ellipses, polygons, and stars with dashed strokes and tiling
Text - Render text with system fonts or custom .ttf/.otf files
Trim Sheet - Named, colored trims in any layout for a trim sheet template, with its layout ready for ZenUV and Export Data
UV Grid - Labeled, seamless color grid that shows stretching, seams, and flipped islands on a model
UV Layout - Draw a model’s UVs as a texture to paint against, with islands, overlaps, and mirrored halves
Transform
Section titled “Transform”
Arrange - Place any number of images side by side or stacked, or put trims back at their original positions
Corner Pin - Four-point perspective warp
Crop - Trim each edge, or cut an exact size or aspect ratio
Displace - Pixel displacement driven by a grayscale or color map
Hex Tile - Break up visible tiling repetition with randomly rotated, blended hex cells
Lens Distortion - Apply or correct barrel, pincushion, and mustache lens distortion
Mesh Warp - Deform an image by dragging the points of a smooth control grid
Mirror - Flip horizontally, vertically, or both, or mirror radially around a center
Offset - Shift the image horizontally or vertically with optional edge wrapping
Pad - Add border padding, or pad to an exact canvas size
Path Warp - Bend a picture along a path or mask edge: curved text, ribbons, rope
Polar Remap - Wrap a picture into rings or unwrap it into a strip, plus Droste zooms
Puppet Warp - Pose and bend artwork with draggable pins on a deformation mesh
Resize - Scale to exact dimensions or percentage with multiple algorithms
Rotate 90 - Pixel-perfect 90/180/270 degree rotation with no interpolation
Smart Scale - Content-aware resize via seam carving
Sprite Sheet - Pack batch frames into a sprite sheet image
Tile - Grid-based image repeat with mirror mode
Transform - Translate, rotate, scale with interpolation control
Trim - Auto-crop transparent or solid-color edges
Filter
Section titled “Filter”
Bevel - Turn a mask into a beveled height ramp and matching normal map
Blur - Gaussian, bilateral, box, median, motion, edge-preserving, radial, zoom blur
Chromatic Aberration - Per-channel radial or uniform lens color fringing
Denoise - Noise reduction preserving edges and detail
Drips - Run each drop down its own path for rain on glass, leaks, and paint drips
Drop Shadow - Configurable offset, blur, color, and opacity
Edge Detect - Canny edge extraction with adjustable stroke width
Emboss - Directional emboss with angle and strength
Film Grain - Physically modeled film grain with seven calibrated stock presets
Glow - Bloom/glow effect with threshold and radius control
Halftone - Newspaper, manga, and print dot screens in grayscale, RGB, or CMYK
High Pass - Isolate fine detail for sharpening and frequency separation
Inpaint - Remove objects by filling a masked area from the rest of the image
Lens Blur - Camera defocus with real bokeh, uniform or driven by a depth pass
Outline - Inner, outer, or center stroke around non-transparent regions
Paint - Freehand painting and clone stamping on an image or blank canvas
Pixel Sort - Glitch-art pixel reordering along rows, columns, angles, or polar spokes
Pixelate - Reduce to chunky pixels for pixel art
Relight - Point and directional lights driven by a normal map, with specular
Scatter - Stamp randomized copies over an area, in a circle, or along a path
Seamless Blend - Make any image tileable
Sharpen - Unsharp mask and detail enhancement
Slope Blur - Smear a picture or a texture set along the slope of a map
Vignette - Edge darkening with shape, size, and falloff
Texture
Section titled “Texture”
Ambient Occlusion - Soft contact shading from a height map or a texture set
Curvature - Read edges and cavities from a normal or height map as wear masks
Height Layer - Stack height maps into one surface, plus a mask of which row wins
Normal Layer - Stack tangent-space normal maps with per-row placement
Normal Map - Generate normal maps from grayscale images
Normal to Height - Turn a normal map back into a height map
Split Texture - Split a texture set into its individual role maps
Texture - Assemble maps into one texture set that travels on a single wire
Texture Layer - Stack whole texture sets, with height deciding which surface shows
Composite
Section titled “Composite”
Composite - Blend two images with 18 layer blending modes
Layer - Stack any number of images with per-layer blend mode and opacity
Merge - Porter-Duff coverage compositing: Over, In, Out, Stencil, Plus, and more
Premult - Convert straight alpha to premultiplied for correct compositing math
Unpremult - Convert premultiplied alpha back to straight before color corrections
Remove Background - Transparent cutout of the subject, processed in the cloud
Upscale - Enlarge up to 4x with reconstructed detail, processed in the cloud
Color Range - Select pixels by color similarity
Cryptomatte - Pick objects by ID matte data from a render engine’s EXR
Magic Wand - Flood-fill contiguous color selection from seed points
Mask Apply - Apply a mask as the alpha channel of an image
Mask Boolean - Union, intersect, subtract, and difference of two masks
Mask From Image - Extract masks from alpha, luminance, or any channel
Mask Paint - Paint a mask freehand with the current brush
Mask Refine - Erode, dilate, feather, and threshold masks
Roto - Interactive bezier spline rotoscoping
Apply LUT - Apply a LUT file (.cube, .3dl, more) as a color-managed look
Auto Adjust - Live auto contrast, auto color, and white balance that follow the image
Black and White - Grayscale with per-hue channel sliders and film-style presets
Brightness/Contrast - Brightness and contrast with S-Curve or Linear modes
Channel Merge - Combine four single-channel images into one RGBA image
Channel Shuffle - Rearrange, swap, or fill RGBA channels
Channel Split - Split an RGBA image into four single-channel images
Clamp - Limit values to a range with an optional soft knee
Color Balance - Shadows/midtones/highlights color shifting
Color Overlay - Solid color overlay with 18 blend modes and adjustable opacity
Color Remap - Single-color hue/saturation shift preserving luminance
Curves - Spline curve adjustment, master or per channel
Dither - Ordered (Bayer), error-diffusion, and noise dithering
Exposure - Adjust exposure in EV stops, working in linear light
Gradient Map - Map luminance range to a color gradient
HSB - Hue, saturation, brightness adjustment
Invert - Invert any combination of color and alpha channels
Levels - Input/output range with per-channel gamma control
Local Contrast - Bring out local detail with tile-based histogram equalization
Palette - Define named color slots for variant generation
Palette From Gradient - Sample a palette from a gradient
Palette From Image - Auto-extract dominant colors from any image
Palette Remap - Recolor one source color into each palette slot, one variant each
Posterize - Reduce color levels for stylized flat-color look
Quantize - Reduce to N colors with optional dithering
White Balance - Remove a color cast, or warm and cool with Temperature and Tint
Chroma Key - Green or blue screen removal with spill suppression
Despill - Remove green, blue, red, or custom key-color spill after keying
Luma Key - Key out a brightness range, with a separate matte output
Export
Section titled “Export”
Export Batch - Export all batch frames as named files or sprite sheets
Export Data - Write a CSV, JSON, or custom text file listing what is wired in
Export Image - Save one output as PNG, JPEG, WebP, TIFF, PSD, OpenEXR, and more
Export Texture - Write a texture set’s maps in a destination’s naming and packing
Utility
Section titled “Utility”
Collect - Bundle images into a single batch for pipeline processing
Inspect - Read an image’s size, values, alpha, and source without changing it
Reroute - Pass-through dot for routing wires (on the Graph Basics page)
Separate - Split disconnected foreground objects into a batch of per-object crops
Split - Decompose a batch into individual images or sub-batches
Tag - Rename frames and attach key/value tags without touching a pixel